Gaea's Avenger [Antiquities]

Gaea's Avenger [Antiquities]Set: Antiquities Type: Creature Treefolk Rare Cost: {1}{G}{G} Gaea's Avenger's power and toughness are each equal to 1 plus the number of artifacts your opponents control. After the destruction of Argoth, Gaea was willing to instill a portion of her own powers into some of her more vengeful followers.

sacrifice Conversion unless you pay {W}{W}

If that spell is countered this way

Ardennes Fagnes

{T}: Add {G} or {U}

where X is the number of lands you control at that time

Exile all cards from all hands and graveyards

Set: Champions of Kamigawa Type: Legendary Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +3/+1

You choose a nonland card from it

Caves of Koilos deals 1 damage to you

Set: Limited Edition Beta Type: Basic Land — Swamp Common Cost: ({T}: Add {B}

Set: Commander 2016 Type: Instant Uncommon Cost: {U} Return target nonland permanent to its owner's hand

Set: Commander 2017 Type: Artifact Rare Cost: {3} You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast